/*
 * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.activiti.engine.test.api.task;

import static org.assertj.core.api.Assertions.assertThat;

import org.activiti.engine.impl.test.PluggableActivitiTestCase;
import org.activiti.engine.runtime.ProcessInstance;
import org.activiti.engine.task.Task;
import org.activiti.engine.test.Deployment;

public class TaskBatchDeleteTest extends PluggableActivitiTestCase {

    /**
     * Validating fix for ACT-2070
     */
    @Deployment
    public void testDeleteTaskWithChildren() throws Exception {
        ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("testBatchDeleteOfTask");
        assertThat(processInstance).isNotNull();
        assertThat(processInstance.isEnded()).isFalse();

        // Get first task and finish. This should destroy the scope and trigger
        // some deletes, including:
        // Task 1, Identity link pointing to task 1, Task 2
        // The task deletes shouldn't be batched in this case, keeping the
        // related entity delete order
        Task firstTask = taskService
            .createTaskQuery()
            .processInstanceId(processInstance.getId())
            .taskDefinitionKey("taskOne")
            .singleResult();
        assertThat(firstTask).isNotNull();

        taskService.complete(firstTask.getId());

        // Process should have ended fine
        processInstance = runtimeService
            .createProcessInstanceQuery()
            .processInstanceId(processInstance.getId())
            .singleResult();
        assertThat(processInstance).isNull();
    }

    @Deployment
    public void testDeleteCancelledMultiInstanceTasks() throws Exception {
        ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("testBatchDeleteOfTask");
        assertThat(processInstance).isNotNull();
        assertThat(processInstance.isEnded()).isFalse();

        Task lastTask = taskService
            .createTaskQuery()
            .processInstanceId(processInstance.getId())
            .taskDefinitionKey("multiInstance")
            .listPage(4, 1)
            .get(0);

        taskService.addCandidateGroup(lastTask.getId(), "sales");

        Task firstTask = taskService
            .createTaskQuery()
            .processInstanceId(processInstance.getId())
            .taskDefinitionKey("multiInstance")
            .listPage(0, 1)
            .get(0);
        assertThat(firstTask).isNotNull();

        taskService.complete(firstTask.getId());

        // Process should have ended fine
        processInstance = runtimeService
            .createProcessInstanceQuery()
            .processInstanceId(processInstance.getId())
            .singleResult();
        assertThat(processInstance).isNull();
    }
}
